title: Humor and Laughter May Influence Health IV. Humor and Immune Function.
abstract: This is the final article in a four part series reviewing the influence of humor and laughter on physiological and psychological well-being. This final article reviews the evidence for the effect of sense of humor, exposure to a humor stimulus and laughter on various immune system components, with a focus on the effects of laughter on natural killer cell cytotoxicity.
authors.affiliation: Western Kentucky University, School of Nursing, AC Room 113D, 1906 College Heights Blvd # 11036, Bowling Green, KY 42101-1036, USA. E- mary.bennett@wku.edu.
authors.forename: Mary Payne
authors.initials: MP
authors.lastname: Bennett
authors.forename: Cecile
authors.initials: C
authors.lastname: Lengacher